In Another World, Reincarnated as the Son of a Border Count

Reincarnated into a world of swords and magic, I became the "zero" who had no inheritance rights in the Earl's family on the border. The eldest brother inherited the land and title, the sister was burdened with marriage, and I was pushed by fate into a vast world full of monsters, alien races, and secrets. I originally wanted to take things easy, but the crisis in my family and the war in the mainland pushed me step by step onto the world stage. Until the end, I stood at the top of the world as the original zero.